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Finding the Fourth Proportional to 633,030.70, 873,582.35 and 346,550.79

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Solution

The fourth proportional to 633,030.70, 873,582.35 and 346,550.79 is: 478,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,030.70 : 873,582.35 = 346,550.79 : x
  2. Step 2: Convert to fraction form
    633,030.70/873,582.35 = 346,550.79/x
  3. Step 3: Cross multiply
    633,030.70x = 873,582.35 × 346,550.79
  4. Step 4: Simplify right side
    633,030.70x = 302,740,651,789.80
  5. Step 5: Solve for x
    x = 302,740,651,789.80/633,030.70
  6. Step 6: Final answer
    x = 478,240.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.